Acesion Superjump

this amy be new or may not but i wanted to ask any way. well wut happened is in the midlle off a game my friend jumped from the front railing of the snipers roost under the small tower and landed on the rail to the right adn ended up being shot to almost the top of the level. he did it three times in a row tahn missed the rail and then had to leave. Me and some of my other friends tried to do it but were unable. Just wondering if anyone has heard of this jump and if so how exactly do u do it. my friend didnt crouch or do any of the usaul things for a super jump. He just jumped from one rail to the other.

your firend was eather modding or realy good at superjumping. you dont have to crouch when you do them but it is realy hard to do it without crouching and um...i am not sure wich supperjump you are talking about because there are so many on assinsion it is not even funny.